Anton Oilfield Services (Group) Ltd. (Antonoil) is a public company listed on the HKEx. They were founded in 1999, and are headquartered in Beijing. Antonoil is comprised of four principal business divisions: Drilling Services, Completions, Downhole intervention, Downhole Tools and OCTG. Our patented technologies and proprietary products of downhole tools, chemical materials and service equipment combined with job design provides us the ability to act as a one-stop service center for oil and gas Upstream Industry.